Metal-dressing machine.



1m. 707,272. Patented Aug. l9, I902. F. P. STIKEB & 0. c. BURTON.

METAL DRESSING MACHINE.

(Application filed July 30, 1901.)

I7 Sheets-8heet l.

([40 Model.)

. 517717044 5005 F. P. STIKER 810. C. B URTON. 'Uuif Qttoz we wi/lmwo eo No. 707,272. Patented Aug. l9, I902.

-F. P. STIKER & 0. c. eumou.

METAL DRESSING MACHINE.

(Application filed. July a0, 1901. (N0 Model.) 17 Sheets-Sheet 2.

INVENTORS FIASTIKER O. C .B RTON.

ATTORN Y No. 707,272. Patented Aug. [9",1902; F. P; STIKEB & U. C.BURTON.

METAL DRESSING MACHINE.

(Application filed July 80, 1901) l7 Sheets-Sheet 3.

(li Model.)

WITNESSES w m 3 ,O & m m. F

MQ f w BY W/QWW I ATTOR EY No. 707,272. Patented Aug. I9 1902. r. P.STIKER & o. c. sumo".

METAL DRESSING MACHINE.

(Application filed July 80,1901.)

l7 Sheets-Sheet 4.

(No Model.)

WiTgES:

INVENTORS F.P.STIKEH&O. c. BURTON.

ATTORN n: NORRIS PETERS covv whom-mum WASHlNGTdN u. c. I

N6. 707,272. Patnted Aug. 19, I902.

F. P. STIKER & o. c. BURTON.

METAL DRESSING MACHINE. (Application. filed. July 30, 1901.)

I7 Sheets-Sheet 5.

(No Model.)

. INVENTORS F.P.STIK-ER &o. QBURTQN;

WITNESSES:

ATTORNEY THE NORRIS FETERS 00.. Pna'mumou WA HINQTON. D.

METAL umassma mcnmz'.

(Application filgd July 80, 1901.)

I1 Sheets8heet 6- (No ll odel.)

W v; m |N.C. ./M m; n S F a ,M

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m: NORRIS PUERYS co 9HGTO-LITHD., WASHINGTON, o. c.

Patented Aug. 19, I902. F. P. STIKEH & 0. c. sumo".

METAL DRESSING MACHINE.

(Application filed m 30, 1901.

I7 Shaets-Sheet 7.

(No Model.)

INVENTORS F.P.STIKERBZO.C.BURTON.

WITNESSES:

FzTcns 00.. mowumo" wuummou. b. c.

No. 707,272. Patented Aug. l9, I902.

F. P. STIKEB & 0. c. sumon. v 7

METAL, nnsssms MACHINE.

(Application filed. July ao.. 1901. QNo Model.) I7 Sheets-Sheet 8.

INVENTORS F.P.STIKER&O. C.BURTON.

WITN ESSES 6 ATTORNEY No. 707,272. Patented Aug. l9, I902. F. P. STIKER& 0. G. BURTON.

METAL DRESSING MACHINE.

l7 Sheets-Shunt 9.

( Application filed July 80; 1901.)

m3 ll (No Model.) S Q INVENTORS 3 WITNESSES ATTORNEY m: NORRISPETZRSAIQ, PHcTO- LVTHQ, WASHINGTON n c I N0. 707, 2. 4 Patented Aug.ISL-I902.

F. P. STIKER &. G. BURTON.

METAL nmassma MACHINE.

(Application filed July 30, 1901.) l7 Sheets-Sheet ID.

No Model.) 1 4 v INVENTORS vmdiww F.P STIKER&O QBURTON BY ATTOR YPatented Aug. l9, I902. F. P. STEKER & 0. C. BURTON.

METAL. DRESSING MACHINE.

(Application filed July 30, 1901.)

I7 Sheets-$heet ll.

(Nb Model.)

. INVENTORS F.P.sT1KER&zo. G.BURT 'N.

5 iz/ g1? m ATTOR EY WITNESSES:

THE NORRIS PETERS co. PHoro-uwu, WASNINGTON. n cy N0. 707,272. Pate ntedAug.--,l9, I902.

- F. P. STIKER & O. C. BURTON.

METAL nnsssms MACHINE.

(Application filed July 80, 1901.)

l7 Sheets-Sheet l2.

QNo Model.) I

E j 5 65 gull I I 5 :I. f g I FEM. r I F 6 5 J r 1 g. WITNESSES: go IIINVENTORS ATTORNEY EP.STIKER&O.C.BURTON. C MO3/QJ%WH No. 701,272.Patented Aug. l9, I902. F. P'. sum-1n & 0. c. BURTON.

METAL DRESSING MACHINE (Application filed J u1y 80, 1901.)

I7 Sheets-Sheet l3,

(No Model.)

INVENTOB s F. RSgIKER o. c. BURTON.

' WITNESSES BY 6mm! WW m0 EY 7Ht NORRIS PETERS co., PHoYauTHu"WASHINGTON. D. c.

l7 Sheets Sheet [4.

ATTORfiY No. 707,272. Patented Aug. [9, I902. F. P. s'rnuan & o. c.BURTON.

METAL DRESSING MACHINE.

(Application filed July 80, 1901.) (No Model.)

No. 707,272. Patented Aug. l9, I902. H F-. P. STIKEB 8. 0. C. BURTON.

METAL DRESSING MACHINE.

(Application filed July so, 1901.) (.N 0 M 0 d e l l7 Sheets-Sheet l5.

WITNESSES: INVENTORSI F.P.STIKER&O.G.BUHTON.

, BY 6? 0? 6' p/ RNEY m: unams PrrsRs co.. mow-urns" wAsuma'rou, 11c.

No. 707,272. Pa tnted Aug. l9, I902. F,..P. STIKER & o. c. sumo".

METAL DRESSING MACHINE.

(Application filed July 80, 1901.)

(No Model.) 7 l7 Sheets-Sheet i6.

WITNESSES: INVENTORS RP. TIKERXzO. C. BURTON.

BY I

W ISM amwpa No. 707,272. Patented A ug. l9, I902.

F. P. STIKER & o. c. BURTON.

METAL DRESSING-MACHINE.

(Application filed July 30, 1901.) (No Model.) I7 Shaets-Sheet -|7.

7N5 Nunms PEIERS 00., PumaLrrua, WASHINGTON, c. c. Q

U ITED STATES PATENT OFFICE.

FLAVIUS P. STIKER, OF BUFFALO, AND ORVILLE O. BURTON, OF NORTH.

TONAWANDA, NEWYORK.

METAL-DRESSlNG MACH-lNE.

SPECIFICATION forming part of Lett ersratent No. 707,272, dated August19, 1902.

Application filed July 80, 1901. Serial No. 70,210. (No model.)

To all, whom, it may concern:

Be it known that we, FLAVIUS P. STIKER, a resident of Buffalo, in thecounty of Erie, and ORVILLE O. BURTON, a resident of North Tonawanda, inthe county of Niagara, State of New York, citizens of the UnitedStates,. have invented certain new and useful Im--.

provements in Metal-Dressing Machines, of Which the following is aspecification.

The general object of this inventionis to provide a machine for dressingpieces of metal which are held by one end while dressed, milled, orthreaded on the other end, one of the applications it can be put tobeing to cut threads on bolt-blanks, and we will describe the same asarranged for that purpose.

The invention relates to that class of machine which is adapted toreceive bolt-blanks automatically from a chute, to thread the boltsautomatically, and finally to discharge them automatically into adischarge-chute.

The general objects of the invention are, first, to provide a machinewhich is adapted to thread bolts automatically and as rapidly asconsistent with maintaining the temper of the dies, to automatically andcontinually remove chips from the threading-head,to thread the bolts ina vertical position, and, more gen erally, to enable one operator, whomay be a boy or inexperienced person, to run about,

.ten machines at atime, while one'man in ad dition can maintain in orderand adjust a much larger number and at the same time have generalsuperintendence of other mat ters about the works.

While the invention is simple in principle,

yet the explanation without a model is necessarily somewhat complex onaccount of the numerous views required; but the machine will be moreeasily understood if the elementary motions of the bolt are followed inadvance of anyother description and without regard to any special designof machine. At the beginning of the operation, therefore, numerous boltblanks or bolts Without front end of the row of bolts. The front bolt--by gravity of itself and of the other bolts starting it by gravityfalls out of the chute and is caught in the notch of a wheel, whichserves asthe bolt-carrier until the boltis discharged. The other boltsdo not fall out of the chute, because the gate or hook is drivenbackto'its original or normal position and retains the remainingbolts-in the chute; but all of them have moved downward through thespace of one bolt to take the place of the one which has been releasedfrom the chute. In the first place the bolts are usually placed in thechute a large number at a time or in succession by hand. The gate opensto transfer a bolt-from the chute to the carrier. The notched boltcarrier turns through a quarter of a rotation and brings the bolt-axisdirectlyover the center of the dies. A quar-' ter of a rotation ismentioned merely because the notched carrier in this particular machinehas four notches equally distant from each other.

Two or more notches, however, may be employed and the rest of themachine timed accordingly. The bolt is supposed to have a square orhexagonal head, orpart of itsshank square'or any head Whose two oppositesides are parallel and such portion as or has plane surfaces passes,during a quarter of a rotation of the notched carrier along a curved orarcshaped groove or track, which serves to guide the bolt to and overthe center of the dies and to hold the bolt from-turning in its axiswhile it is in the dies for threading. As soon as the bolt standsvertically over the center of the dies its carrier stops its rotarymotion and .with a plunger acting from above moves downward, pushing thebolt not only until the bolt arrives at the dies, but also until thedies by and then the motion of the bolt is continued by the pullingforce of the dies While continuing to cut the thread on the bolt. Thesaid plunger and carrier are pushed down because carried by a verticalmovable slide. When the full length of thread is cut, the jawsholdcutting a few threads have gripped the bolt,

makes a second quarter of a rotation, carrywardly inclineddischarge-chute.

ing said bolt with it, which is guided out of the notch in the wheel andaway from its center and enters a horizontal and then a down- The reasonthe bolt moves away from the center of the carrier is because the squareor flattened head travels along a straight edge or curved edge while thecarrier is continuing to make the second quarter of a rotation. Thus thefirst boltis disposed of. In a similar niannera second bolt has enteredthe next succeeding notch as said notch came in front of thefeeding-chute, and while the first bolt was being carried from thecenter of the die to the discharge-chute the second bolt was beingcarried to the center of the dies. It is not necessary to analyze themotions of the second bolt, because they are a repetition of those ofthe first bolt.

More particularly, the organization comprising the invention consists ofan inclined slotted chute, open at the upper end for receiving one boltafter the other and adapted to hold a number of bolts hanging by thehead and limited in number only by the length of the chute. The lowerend of the chute is provided with a gate, which is in the shape of ahook or finger with a portion bent at about right angles to its shankand adapted to be closed normally across the lower end of the slot insaid chute. A spring under pressure or tension serves to hold the gateclosed. The hook is pivoted in order that it may be turned against theresistance of said spring to open for the release of a bolt. Thismovement of the gate or book is accomplished by the motion of a rod,which carries an inclined plane or wedge or beveled piece, and by aroller, which is carried by some part of the gate and which bears uponthe inclined plane. When the rod travels in one direction, the inclinedplane serves to open the gate, and when the rod moves back again thespring closes the gate. The next element in a general way consists ofmeans for moving said rod, which is accomplished by a tripping devicewhich constantly rotates and at regular intervals strikes a projectionwhich is fixed upon said rod, which in turn is carried in hearin gs andadapted to receive reciprocating longitudinal motions. The trippingdevice moves the rod against the resistance of a spring, which acts as aretractile spring to force the rod back again when released by thetripping device. At the outside of the gate as measured from the chuteis a notched carriermounted upon a vertical spindle which has twomotions, the one being intermittent rotary motion of one direction andthe other being reciprocating motion longitudinally of the spindle, theone motion occurring during the intervals between the other motions.This notched carrier is at the lower end of the spindle, which extendsupward through the whole length of a slide which is adapted to havereciprocating motion in a vertical direction. The spindle also projectsabove the top of the slide and carries a ratchet-wheel with as manyteeth, consisting of pins on the top of the wheel, as there are notchesin the bolt-carrier. Said teeth project downward on the under side ofsaid wheel, so that there are four projections on top of the wheel, nearits periphery, and four projections on the under side of the wheel. Theupper ones have the functions of the teeth of a ratchet-wheel, and theunder ones are adapted to be locked by a pivoted lock or catch, whichconsists of a lever having a hole for receiving one of the pins on theunderside of the ratchet-wheel. A spring constantly presses the catchupward, so that one of the pins will enter the hole at the right time.Provision is made to prevent the pin from sliding past the hole withoutbeing caught. A horizontally-reciprocating pawl for said ratchet-wheelalso serves incidentally to depress the catch for unlocking theratchet-Wheel when the slide, with the bolt-carrier, rises. Evidentlythe object of the ratchet-wheel While rotating is to turn the notchedcarrier. The pawl has two functiousthe one to unlock said catch and theother to turn said ratchet-wheel. It is the rising of the lock or catchagainst the pawl that unlocks the ratchet-wheel. Therefore the pinescapes from the hole in the catch to permit said wheel to rotate.Immediately after release the pawl travels horizontally, catches atooth, and turns the ratchet-wheel through the proper distance to bringthe bolt to the threading position, and the next pin is caught by thecatch to lock the carrier in the same manner as the firstnamed pin. Thusfar it is intended to show in a general way what the organizationconsists of for turning the bolt-carrier through quadrants. The pawl ispivoted to its slide to be raised up manually; but it does not performthis function during the operation of the machine. A strong springprevents the pawl from any upward motion around its horizontal pivot.

Thisprovision is made merely so that the operator may by manual forcelift the pawl out of the way, so that the ratchet-wheel, together withthe bolt-carrier, may in an emergency be turned by hand for the purposeof removing and replacing a defective bolt or one which may have becomecaught for some reason. This spring for the pawl is sufficiently andpurposely po werful enough to resist motion when struck by the catchand-to depress the catch without itself being raised around its pivot bythe catch. It has been stated that the slide that carries the pawl isadapted to reciprocate. These motions are accomplished by a rotatingcam, preferably grooved, which operates a pin or roller projecting fromsaid slide. This cam has a constant and continuous rotation and is socurved and moved as to rotate the bolt-carrier every time andimmediately after the latter reaches its highest point above the dies.This cam will be better understood as to shape hereinafter by referenceto the drawings.

The machine is provided also with asecond cam for moving the main slideand bolt-cardium of a lever which is connected to the slide by a slidingblock-bearin g. 4 This lever passesinto the center of the main slide,through which there is anopening-and guides for the block, which ofcourse must be slightly movable horizontally on account of the circular.motion of the end of the lever and the rectilinear motion of the mainslider This sliding motion of the block is horizontal and at rightangles to the direction of emotion of the slide. The cam for moving thislever has a constant and continuous motion, being fixed to the sameshaft as the other cam. It is the movement of this lever that pushes themain slide and carrier downward and which feeds the bolt toward andbetween the dies for a distance of a few threads; but afterward thethreading process continues the motion of the slide with its bolt. Theorganization has now been set forth in a general wayregarding the partsof the machine, for taking care of the bolt from the receiving-chute tothe dies, the same affording a statement of this portion of the wholemachine. Counterweights are employed for the main slide and its adjunets, which are necessarily heavy and which must be lifted againstgravitation and lowered gradually.

The driving mechanism consists,cssentially, of a driving-pulley or anykind of device for imparting motion to a shaft. This pnlleyis connectedup with change gears for rotating a cone-pulley, which is belted to asecond pulley on a shaft above, which carries-the cams heretoforementioned and also the trip ping device for opening the gate at thelower end of the feeding-chute. The driving-pulley is also connected upwith the head for carrying the dies by means of bevel or miter gearing,which transmits rotation to the vertical spindle of the head from thehorizontaldriving-pulley shaft. The head is carried by a cross-head,movable by racks and pinions along tracks somewhat in the nature of atable on a planing-machine.

The general organization comprising our invention consists,,morespecifically, of a chute adapted to support the bolts vertically, a gateat the lowest end of the chute to prevent the bolts from escaping andadapted to open for releasing one bolt at a time, a tripping device foropening said gate at predetermined intervals through the agency of aroller and inclined plane, a retractile spring for returns ing theinclined plane to its normal position,

a retractile spring for closing the gate, the above springs acting inconjunction with each other, a notched carrier to receive the bolts whenreleased by the gate, a pawl and ratchetwheel andcatch anddriving-camfor turning said carrier to bring thebolt over the center of the dies, amain slide supporting the carrier, ratchet-wheehand catch, a stop andguides acting on the head of the bolt for guid- .its uppermost position.

ing the latter and for holding the bolt from,

turning-during the process of threading, a

lever operated by a cam for drivingthe bolt to engage with the dies andfor feeding the boltwhile a few turns of thread are being cut, saidcamhaving a spring; to act as a cushion in case the; bolt strikes the jawsor other obstruction instead of entering the dies, said cam beingalsoadjustableto different positions by means of an adjusting-screw,

said spring also serving as a cushionin case the bolt is toolong or thedies too dull to take hold.

Generically the, leading feature of our.invention,anddefininingthemachineasawhole, consists of the combination,with. dies con-= stantly rotating in one direction only andintermittently opening, of a hollow' head for the ,dies, an open tubularspindle vertically lo- Figure 1 is a front elevation of the completeframe of. the machine, including the barrel for containing thereciprocatingislide. Fig.

thereof are set 2 is an elevation of the right-hand side of the sameframe. The above two figures will assist in identifying the relativelocations of the difierent elements of the machine. Fig. 3 is a plan ofthehollow rotating head, openable Fig.4 is a front elevation of jaws,and dies.

ice

that part of the machine which is involved in r the manipulation of'thebolt. Some of the upper and lower portions are broken away to bring thedrawing within thescope of the sheet; but substantially the whole widthof the machine is shown. referred to,-may be seen at the'center of theThe barrel; already figure, and also the racks of Figs l and2-at' thelower part of Fig.4; but they pertain to- I the working of the die-head.A bolt A, having a head A, may be seen in Fig. 4 about to slide'down thedischarge-chute tracks 155 and 156, connected at the lower end by thearch There are certain brackets 42 43 44,

157. &C.,'OI1 top of the frame,.but omitted from Figs. 1 and 2. Therod'126 is shown'connected at theupper part of thefigure; but its lowerend is connected up for opening the dies with a lever 118, as showninFigs. 52 and '53. All

above'the barrel 38' 'is omittted fromF-igs. 1 and 2. Fig.5 is anelevationtaken from 'the' right-hand side of substantially'that which isshown in Fig. 4, except that the'figure omits some of the lower portionsof Fig. 4' and includessomeof the upper portions not shownin Fig. 4-.The b'arrel:38 may be seen at the The dotted lines indicate portionswhich are invisibly'located behind 'other' parts. The phase is that inwhich a bolt is 3 about to'be discharged, the-slide 38 being in Thedotted arcs and

